6401355408

Names of 6401355408

• Cardinal: 6401355408 can be written as Six billion, four hundred one million, three hundred fifty-five thousand, four hundred eight.

Scientific notation

• Scientific notation: 6.401355408 × 10⁹

Factors of 6401355408

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 25564

Divisors of 6401355408

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 251 252 336 502 504 753 1004 1008 1506 1757 2008 2259 3012 3514 4016 4518 5271 6024 7028 9036 10542 12048 14056 15813 18072 21084 25301 28112 31626 36144 42168 50602 63252 75903 84336 101204 126504 151806 177107 202408 227709 253008 303612 354214 404816 455418 531321 607224 708428 910836 1062642 1214448 1416856 1593963 1821672 2125284 2833712 3187926 3643344 4250568 6350551 6375852 8501136 12701102 12751704 19051653 25402204 25503408 38103306 44453857 50804408 57154959 76206612 88907714 101608816 114309918 133361571 152413224 177815428 228619836 266723142 304826448 355630856 400084713 457239672 533446284 711261712 800169426 914479344 1066892568 1600338852 2133785136 3200677704 6401355408
• Sum of all divisors σ(n): 20556559296
• Sum of proper divisors (its aliquot sum) s(n): 14155203888
• 6401355408 is an abundant number, because the sum of its proper divisors (14155203888) is greater than itself. Its abundance is 7753848480

Bases of 6401355408

• Binary: 101111101100011001110111010010000₂
• Hexadecimal: 0x17D8CEE90
• Base-36: 2XV79G0

Squares and roots of 6401355408

• 6401355408 squared (6401355408²) is 40977351059530846464
• 6401355408 cubed (6401355408³) is 262310587810442313955144077312
• The square root of 6401355408 is 80008.4708515291
• The cube root of 6401355408 is 1856.7665918321

Scales and comparisons

• 6,401,355,408 seconds is equal to 203 years, 28 weeks, 1 day, 18 hours, 16 minutes, 48 seconds.
• To count from 1 to 6,401,355,408 would take you about four hundred seven years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 6401355408 cubic inches would be around 154.7 feet tall.

Recreational maths with 6401355408

• 6401355408 backwards is 8045531046
• 6401355408 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6401355408's digits is 36
• More coming soon!